California: Pleistocene and Pliocene

Screen 18: Pectinoidea, Lucinoidea

Pecten species (125 mm), colno 38968 Pliocene, Purisma Formation	Argopecten aequisulcatus (25 mm), colno 43723 Pleistocene, Timms Pit Silt Formation

Lucina nuttallii (18 mm), colno 37597 Pleistocene, Formation unknown	Phacoides species (32 mm), colno 38969 Pliocene, Purisma Formation

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Dentaliida	Patelloidea	Fissurelloidea	Cirroidea	Cerithioidea	Littorinoidea	Janthinoidea	Buccinoidea
Columbelloidea	Conoidea	Volutoidea	Muricoidea	Naticoidea	Calyptraeoidea	Tonnoidea	Ellobioidea
Nuculoidea	Nuculanoidea	Arcoidea	Limopsoidea	Mytiloidea	Ostreoidea	Pecinoidea	Lucinoidea
Carditoidea	Crassatelloidea	Cardioidea	Mactroidea	Telinoidea	Donacoidea	Veneroidea	Myoidea	Pholadoidea

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